152 DARWINISM STATED BY DARWIN HIMSELF. 



which follows, as I have elsewhere attempted to show, 

 from co-descended organisms having a similar constitution, 

 and having been acted on by like causes inducing similar 

 modifications. With respect to the similar direction of 

 the hair on the fore-arms of man and certain monkeys, 

 as this character is common to almost all the anthropo- 

 morphous apes, it may probably be attributed to inherit- 

 ance ; but this is not certain, as some very distinct Ameri- 

 can monkeys are thus characterized. 



VARIABILITY OF MAN". 



Descent ^ * s manifest that man is now subject to 



of Man, much variability. No two individuals of the 

 page ' same race are quite alike. We may compare 

 millions of faces, and each will be distinct. There is an 

 equally great amount of diversity in the proportions and 

 dimensions of the various parts of the body, the length 

 of the legs being one of the most variable points. Al- 

 though in some quarters of the world an elongated skull, 

 and in other quarters a short skull prevails, yet there is 

 great diversity of shape even within the limits of the 

 same race, as with the aborigines of America and South 

 Australia — the latter a race "probably as pure and ho- 

 mogeneous in blood, customs, and language as any in 

 existence " — and even with the inhabitants of so confined 

 an area as the Sandwich Islands. An eminent dentist 

 assures me that there is nearly as much diversity in the 

 teeth as in the features. The chief arteries so frequently 

 run in abnormal courses, that it has been found useful 

 for surgical purposes to calculate from 1,040 corpses how 

 often each course prevails. The muscles are eminently 

 variable : thus those of the foot were found by Professor 

 Turner not to be strictly alike in any two out of fifty 





